
<!DOCTYPE HTML>
<html lang="" >
    <head>
        <meta charset="UTF-8">
        <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
        <title>2.2019-12-30-dubbo消费者访问流程 · GitBook</title>
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="description" content="dubbo消费者访问流程">
        <meta name="generator" content="GitBook 3.2.3">
        
        
        
    
    <link rel="stylesheet" href="../../gitbook/style.css">

    
            
                
                <link rel="stylesheet" href="../../gitbook/gitbook-plugin-highlight/website.css">
                
            
                
                <link rel="stylesheet" href="../../gitbook/gitbook-plugin-search/search.css">
                
            
                
                <link rel="stylesheet" href="../../gitbook/gitbook-plugin-fontsettings/website.css">
                
            
        

    

    
        
    
        
    
        
    
        
    
        
    
        
    

        
    
    
    <meta name="HandheldFriendly" content="true"/>
    <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <link rel="apple-touch-icon-precomposed" sizes="152x152" href="../../gitbook/images/apple-touch-icon-precomposed-152.png">
    <link rel="shortcut icon" href="../../gitbook/images/favicon.ico" type="image/x-icon">

    
    <link rel="next" href="2019-12-30-dubbo面试.html" />
    
    
    <link rel="prev" href="2019-12-28-dubbo涉及的技术.html" />
    

    </head>
    <body>
        
<div class="book">
    <div class="book-summary">
        
            
<div id="book-search-input" role="search">
    <input type="text" placeholder="Type to search" />
</div>

            
                <nav role="navigation">
                


<ul class="summary">
    
    

    

    
        
        
    
        <li class="chapter " data-level="1.1" data-path="../../">
            
                <a href="../../">
            
                    
                    简介
            
                </a>
            

            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="2.1" >
            
                <span>
            
                    
                    [bigdata]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.1.1" data-path="../../bigdata/2019-12-30-spark-in-docker.html">
            
                <a href="../../bigdata/2019-12-30-spark-in-docker.html">
            
                    
                    1.2019-12-30-spark-in-docker
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.2" data-path="../../bigdata/2019-12-30-spark-RDD.html">
            
                <a href="../../bigdata/2019-12-30-spark-RDD.html">
            
                    
                    2.2019-12-30-spark-RDD
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.3" data-path="../../bigdata/2019-12-31-hadoop-hdfs命令别名.html">
            
                <a href="../../bigdata/2019-12-31-hadoop-hdfs命令别名.html">
            
                    
                    3.2019-12-31-hadoop-hdfs命令别名
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.2" >
            
                <span>
            
                    
                    [c]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.2.1" data-path="../../c/2020-01-07-c语言.html">
            
                <a href="../../c/2020-01-07-c语言.html">
            
                    
                    1.2020-01-07-c语言
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.2.2" data-path="../../c/2020-01-07-C语言基础教程.html">
            
                <a href="../../c/2020-01-07-C语言基础教程.html">
            
                    
                    2.2020-01-07-C语言基础教程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.2.3" data-path="../../c/2020-01-09-c语言语法基础.html">
            
                <a href="../../c/2020-01-09-c语言语法基础.html">
            
                    
                    3.2020-01-09-c语言语法基础
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.3" >
            
                <span>
            
                    
                    [DataStructureandAlgorithms]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.3.1" data-path="../../DataStructureandAlgorithms/2019-12-28-数据结构和算法的关系.html">
            
                <a href="../../DataStructureandAlgorithms/2019-12-28-数据结构和算法的关系.html">
            
                    
                    1.2019-12-28-数据结构和算法的关系
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.3.2" data-path="../../DataStructureandAlgorithms/2019-12-28-稀疏数组.html">
            
                <a href="../../DataStructureandAlgorithms/2019-12-28-稀疏数组.html">
            
                    
                    2.2019-12-28-稀疏数组
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.4" >
            
                <span>
            
                    
                    [git]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.4.1" data-path="../../git/2019-12-28-git-alias.html">
            
                <a href="../../git/2019-12-28-git-alias.html">
            
                    
                    1.2019-12-28-git-alias
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.4.2" data-path="../../git/2019-12-29-git常用命令.html">
            
                <a href="../../git/2019-12-29-git常用命令.html">
            
                    
                    2.2019-12-29-git常用命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.4.3" data-path="../../git/2019-12-31-git教程.html">
            
                <a href="../../git/2019-12-31-git教程.html">
            
                    
                    3.2019-12-31-git教程
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.5" >
            
                <span>
            
                    
                    [go]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.5.1" data-path="../../go/2019-12-30-beego基本使用.html">
            
                <a href="../../go/2019-12-30-beego基本使用.html">
            
                    
                    1.2019-12-30-beego基本使用
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.6" >
            
                <span>
            
                    
                    [java]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.6.1" data-path="../2019-12-30-环境变量和系统属性.html">
            
                <a href="../2019-12-30-环境变量和系统属性.html">
            
                    
                    1.2019-12-30-环境变量和系统属性
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.2" data-path="../2019-12-31-cloud-native-云原生.html">
            
                <a href="../2019-12-31-cloud-native-云原生.html">
            
                    
                    2.2019-12-31-cloud-native-云原生
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.3" data-path="../2019-12-31-java语法难点.html">
            
                <a href="../2019-12-31-java语法难点.html">
            
                    
                    3.2019-12-31-java语法难点
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.4" data-path="../2019-12-31-设计模式.html">
            
                <a href="../2019-12-31-设计模式.html">
            
                    
                    4.2019-12-31-设计模式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.5" data-path="../2020-01-12-Ajax跨域问题解决方案.html">
            
                <a href="../2020-01-12-Ajax跨域问题解决方案.html">
            
                    
                    5.2020-01-12-Ajax跨域问题解决方案
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.6" data-path="../2020-01-12-freemarker应用场景介绍.html">
            
                <a href="../2020-01-12-freemarker应用场景介绍.html">
            
                    
                    6.2020-01-12-freemarker应用场景介绍
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.7" data-path="../2020-01-12-jsp运行原理和运行过程.html">
            
                <a href="../2020-01-12-jsp运行原理和运行过程.html">
            
                    
                    7.2020-01-12-jsp运行原理和运行过程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.8" data-path="../2020-01-12-深入理解Maven中的Profile.html">
            
                <a href="../2020-01-12-深入理解Maven中的Profile.html">
            
                    
                    8.2020-01-12-深入理解Maven中的Profile
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.9" data-path="../2020-01-12-缓存穿透-缓存击穿-缓存雪崩概念及解决方案.html">
            
                <a href="../2020-01-12-缓存穿透-缓存击穿-缓存雪崩概念及解决方案.html">
            
                    
                    9.2020-01-12-缓存穿透-缓存击穿-缓存雪崩概念及解决方案
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.10" data-path="../2020-01-13-事务笔记.html">
            
                <a href="../2020-01-13-事务笔记.html">
            
                    
                    10.2020-01-13-事务笔记
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.11" data-path="../2020-01-13-幂等性.html">
            
                <a href="../2020-01-13-幂等性.html">
            
                    
                    11.2020-01-13-幂等性
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6.12" data-path="../2020-01-16-java基本语法.html">
            
                <a href="../2020-01-16-java基本语法.html">
            
                    
                    12.2020-01-16-java基本语法
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.7" >
            
                <span>
            
                    
                    [arthas]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.7.1" data-path="../arthas/2019-12-28-arthas-example.html">
            
                <a href="../arthas/2019-12-28-arthas-example.html">
            
                    
                    1.2019-12-28-arthas-example
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.2" data-path="../arthas/2019-12-28-arthas添加支持执行历史命令的shell功能.html">
            
                <a href="../arthas/2019-12-28-arthas添加支持执行历史命令的shell功能.html">
            
                    
                    2.2019-12-28-arthas添加支持执行历史命令的shell功能
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.3" data-path="../arthas/2020-01-10-思考性能调优.html">
            
                <a href="../arthas/2020-01-10-思考性能调优.html">
            
                    
                    3.2020-01-10-思考性能调优
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.4" data-path="../arthas/2020-01-10-性能调优举例-最佳实践.html">
            
                <a href="../arthas/2020-01-10-性能调优举例-最佳实践.html">
            
                    
                    4.2020-01-10-性能调优举例-最佳实践
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.5" data-path="../arthas/2020-01-10-性能调优举例一.html">
            
                <a href="../arthas/2020-01-10-性能调优举例一.html">
            
                    
                    5.2020-01-10-性能调优举例一
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.6" data-path="../arthas/2020-01-10-性能调优举例三.html">
            
                <a href="../arthas/2020-01-10-性能调优举例三.html">
            
                    
                    6.2020-01-10-性能调优举例三
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.7" data-path="../arthas/2020-01-10-性能调优举例二.html">
            
                <a href="../arthas/2020-01-10-性能调优举例二.html">
            
                    
                    7.2020-01-10-性能调优举例二
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.8" data-path="../arthas/2020-01-10-性能调优举例四.html">
            
                <a href="../arthas/2020-01-10-性能调优举例四.html">
            
                    
                    8.2020-01-10-性能调优举例四
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.9" data-path="../arthas/2020-01-15-性能调优举例五.html">
            
                <a href="../arthas/2020-01-15-性能调优举例五.html">
            
                    
                    9.2020-01-15-性能调优举例五
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.10" data-path="../arthas/2020-05-12-性能调优举例六.html">
            
                <a href="../arthas/2020-05-12-性能调优举例六.html">
            
                    
                    10.2020-05-12-性能调优举例六
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.7.11" data-path="../arthas/arthas-mind-map.html">
            
                <a href="../arthas/arthas-mind-map.html">
            
                    
                    11.arthas-mind-map
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.8" >
            
                <span>
            
                    
                    [dubbo]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.8.1" data-path="2019-12-28-dubbo涉及的技术.html">
            
                <a href="2019-12-28-dubbo涉及的技术.html">
            
                    
                    1.2019-12-28-dubbo涉及的技术
            
                </a>
            

            
        </li>
    
        <li class="chapter active" data-level="2.8.2" data-path="2019-12-30-dubbo消费者访问流程.html">
            
                <a href="2019-12-30-dubbo消费者访问流程.html">
            
                    
                    2.2019-12-30-dubbo消费者访问流程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.8.3" data-path="2019-12-30-dubbo面试.html">
            
                <a href="2019-12-30-dubbo面试.html">
            
                    
                    3.2019-12-30-dubbo面试
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.9" >
            
                <span>
            
                    
                    [jdk]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.9.1" data-path="../jdk/2020-01-12-实例介绍 JAVA 泛型基础.html">
            
                <a href="../jdk/2020-01-12-实例介绍 JAVA 泛型基础.html">
            
                    
                    1.2020-01-12-实例介绍 JAVA 泛型基础
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.9.2" data-path="../jdk/2020-01-13-ThreadLocal六连问.html">
            
                <a href="../jdk/2020-01-13-ThreadLocal六连问.html">
            
                    
                    2.2020-01-13-ThreadLocal六连问
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.10" >
            
                <span>
            
                    
                    [jvm]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.10.1" data-path="../jvm/2019-12-30-性能调优.html">
            
                <a href="../jvm/2019-12-30-性能调优.html">
            
                    
                    1.2019-12-30-性能调优
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.11" >
            
                <span>
            
                    
                    [netty]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.11.1" data-path="../netty/2020-01-16-netty入门.html">
            
                <a href="../netty/2020-01-16-netty入门.html">
            
                    
                    1.2020-01-16-netty入门
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.11.2" data-path="../netty/2020-01-16-netty核心概念.html">
            
                <a href="../netty/2020-01-16-netty核心概念.html">
            
                    
                    2.2020-01-16-netty核心概念
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.12" >
            
                <span>
            
                    
                    [solr]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.12.1" data-path="../solr/2019-12-28-solr-7.6.0.tgz安装.html">
            
                <a href="../solr/2019-12-28-solr-7.6.0.tgz安装.html">
            
                    
                    1.2019-12-28-solr-7.6.0.tgz安装
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.13" >
            
                <span>
            
                    
                    [spring]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.13.1" data-path="../spring/2020-01-12-SpringBoot属性读取方式介绍.html">
            
                <a href="../spring/2020-01-12-SpringBoot属性读取方式介绍.html">
            
                    
                    1.2020-01-12-SpringBoot属性读取方式介绍
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.13.2" data-path="../spring/2020-01-12-使用spring boot+mybatis plus快速入门.html">
            
                <a href="../spring/2020-01-12-使用spring boot+mybatis plus快速入门.html">
            
                    
                    2.2020-01-12-使用spring boot+mybatis plus快速入门
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.13.3" data-path="../spring/2020-01-13-spring-initMethod-destoryMethod.html">
            
                <a href="../spring/2020-01-13-spring-initMethod-destoryMethod.html">
            
                    
                    3.2020-01-13-spring-initMethod-destoryMethod
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.13.4" data-path="../spring/2020-01-13-spring循环依赖.html">
            
                <a href="../spring/2020-01-13-spring循环依赖.html">
            
                    
                    4.2020-01-13-spring循环依赖
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.13.5" data-path="../spring/2020-01-13-spring源码随记.html">
            
                <a href="../spring/2020-01-13-spring源码随记.html">
            
                    
                    5.2020-01-13-spring源码随记
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.13.6" data-path="../spring/2020-01-13-自定义mini-spring.html">
            
                <a href="../spring/2020-01-13-自定义mini-spring.html">
            
                    
                    6.2020-01-13-自定义mini-spring
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.14" >
            
                <span>
            
                    
                    [websocket]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.14.1" data-path="../websocket/2019-12-30-webscoket-springboot通信.html">
            
                <a href="../websocket/2019-12-30-webscoket-springboot通信.html">
            
                    
                    1.2019-12-30-webscoket-springboot通信
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.15" >
            
                <span>
            
                    
                    [linux]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.15.1" data-path="../../linux/2019-12-28-Linux常用命令和快捷键.html">
            
                <a href="../../linux/2019-12-28-Linux常用命令和快捷键.html">
            
                    
                    1.2019-12-28-Linux常用命令和快捷键
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.2" data-path="../../linux/2019-12-28-从零到一环境安装.html">
            
                <a href="../../linux/2019-12-28-从零到一环境安装.html">
            
                    
                    2.2019-12-28-从零到一环境安装
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.3" data-path="../../linux/2019-12-30-vi-常用命令.html">
            
                <a href="../../linux/2019-12-30-vi-常用命令.html">
            
                    
                    3.2019-12-30-vi-常用命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.4" data-path="../../linux/2019-12-31-awk命令.html">
            
                <a href="../../linux/2019-12-31-awk命令.html">
            
                    
                    4.2019-12-31-awk命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.5" data-path="../../linux/2019-12-31-cup信息分析.html">
            
                <a href="../../linux/2019-12-31-cup信息分析.html">
            
                    
                    5.2019-12-31-cup信息分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.6" data-path="../../linux/2019-12-31-shell编程.html">
            
                <a href="../../linux/2019-12-31-shell编程.html">
            
                    
                    6.2019-12-31-shell编程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.7" data-path="../../linux/2019-12-31-top命令.html">
            
                <a href="../../linux/2019-12-31-top命令.html">
            
                    
                    7.2019-12-31-top命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.8" data-path="../../linux/2019-12-31-普通用户docker的问题.html">
            
                <a href="../../linux/2019-12-31-普通用户docker的问题.html">
            
                    
                    8.2019-12-31-普通用户docker的问题
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.9" data-path="../../linux/2020-01-01-centos7 安装kubernetes.html">
            
                <a href="../../linux/2020-01-01-centos7 安装kubernetes.html">
            
                    
                    9.2020-01-01-centos7 安装kubernetes
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.10" data-path="../../linux/2020-01-01-centos安装常用配置.html">
            
                <a href="../../linux/2020-01-01-centos安装常用配置.html">
            
                    
                    10.2020-01-01-centos安装常用配置
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.11" data-path="../../linux/2020-01-01-docker使用.html">
            
                <a href="../../linux/2020-01-01-docker使用.html">
            
                    
                    11.2020-01-01-docker使用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.12" data-path="../../linux/2020-01-01-kubernetes使用.html">
            
                <a href="../../linux/2020-01-01-kubernetes使用.html">
            
                    
                    12.2020-01-01-kubernetes使用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.13" data-path="../../linux/2020-05-12-PG有用的SQL.html">
            
                <a href="../../linux/2020-05-12-PG有用的SQL.html">
            
                    
                    13.2020-05-12-PG有用的SQL
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.14" data-path="../../linux/2020-05-12-vim命令.html">
            
                <a href="../../linux/2020-05-12-vim命令.html">
            
                    
                    14.2020-05-12-vim命令
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.16" >
            
                <span>
            
                    
                    [automate]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.16.1" data-path="../../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                <a href="../../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                    
                    1.2020-01-12-redis伪集群创建脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.2" data-path="../../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                <a href="../../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                    
                    2.2020-01-12-tomcat集群创建脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.3" data-path="../../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                <a href="../../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                    
                    3.2020-01-12-zookeeper自动化脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.4" data-path="../../linux/automate/2020-01-12-其他自动化脚本.html">
            
                <a href="../../linux/automate/2020-01-12-其他自动化脚本.html">
            
                    
                    4.2020-01-12-其他自动化脚本
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.17" >
            
                <span>
            
                    
                    [MySQL]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.17.1" data-path="../../MySQL/2019-12-31-mysql常用命令.html">
            
                <a href="../../MySQL/2019-12-31-mysql常用命令.html">
            
                    
                    1.2019-12-31-mysql常用命令
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.18" >
            
                <span>
            
                    
                    [nginx]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.18.1" data-path="../../nginx/2019-12-29-Nginx-Keepalived高可用集群.html">
            
                <a href="../../nginx/2019-12-29-Nginx-Keepalived高可用集群.html">
            
                    
                    1.2019-12-29-Nginx-Keepalived高可用集群
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.18.2" data-path="../../nginx/2020-01-16-nginx参数详细说明.html">
            
                <a href="../../nginx/2020-01-16-nginx参数详细说明.html">
            
                    
                    2.2020-01-16-nginx参数详细说明
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.19" >
            
                <span>
            
                    
                    [other]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.19.1" data-path="../../other/2019-12-28-知识小计.html">
            
                <a href="../../other/2019-12-28-知识小计.html">
            
                    
                    1.2019-12-28-知识小计
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.19.2" data-path="../../other/2020-01-04-科学上网.html">
            
                <a href="../../other/2020-01-04-科学上网.html">
            
                    
                    2.2020-01-04-科学上网
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.19.3" data-path="../../other/2020-05-13-正则表达式.html">
            
                <a href="../../other/2020-05-13-正则表达式.html">
            
                    
                    3.2020-05-13-正则表达式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.19.4" data-path="../../other/template.html">
            
                <a href="../../other/template.html">
            
                    
                    4.template
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.20" >
            
                <span>
            
                    
                    [PostgreSQL]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.20.1" data-path="../../PostgreSQL/2019-12-28-PostgreSQL安装文档.html">
            
                <a href="../../PostgreSQL/2019-12-28-PostgreSQL安装文档.html">
            
                    
                    1.2019-12-28-PostgreSQL安装文档
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.2" data-path="../../PostgreSQL/2019-12-28-Postgres学习笔记.html">
            
                <a href="../../PostgreSQL/2019-12-28-Postgres学习笔记.html">
            
                    
                    2.2019-12-28-Postgres学习笔记
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.3" data-path="../../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                <a href="../../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                    
                    3.2019-12-28-脚本MYSQL导出数据到PG
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.4" data-path="../../PostgreSQL/2020-01-04-docker-PostgreSQL安装文档.html">
            
                <a href="../../PostgreSQL/2020-01-04-docker-PostgreSQL安装文档.html">
            
                    
                    4.2020-01-04-docker-PostgreSQL安装文档
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.5" data-path="../../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                <a href="../../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                    
                    5.2020-01-17-阿里云PG主从切换问题
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.21" >
            
                <span>
            
                    
                    [python]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.21.1" data-path="../../python/2019-12-28-pip-install指定国内源镜像.html">
            
                <a href="../../python/2019-12-28-pip-install指定国内源镜像.html">
            
                    
                    1.2019-12-28-pip-install指定国内源镜像
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.21.2" data-path="../../python/2019-12-30-python内置函数.html">
            
                <a href="../../python/2019-12-30-python内置函数.html">
            
                    
                    2.2019-12-30-python内置函数
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.21.3" data-path="../../python/2019-12-30-一图搞懂基本python语法 .html">
            
                <a href="../../python/2019-12-30-一图搞懂基本python语法 .html">
            
                    
                    3.2019-12-30-一图搞懂基本python语法 
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.22" >
            
                <span>
            
                    
                    [redis]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.22.1" data-path="../../redis/2019-12-28-redis5.0.3安装.html">
            
                <a href="../../redis/2019-12-28-redis5.0.3安装.html">
            
                    
                    1.2019-12-28-redis5.0.3安装
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.22.2" data-path="../../redis/2019-12-28-redis5.0.3集群搭建.html">
            
                <a href="../../redis/2019-12-28-redis5.0.3集群搭建.html">
            
                    
                    2.2019-12-28-redis5.0.3集群搭建
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.23" >
            
                <span>
            
                    
                    [tool]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.23.1" data-path="../../tool/2019-12-28-idea高效使用技巧和快捷键.html">
            
                <a href="../../tool/2019-12-28-idea高效使用技巧和快捷键.html">
            
                    
                    1.2019-12-28-idea高效使用技巧和快捷键
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.23.2" data-path="../../tool/2019-12-28-PlantUML画图脚本.html">
            
                <a href="../../tool/2019-12-28-PlantUML画图脚本.html">
            
                    
                    2.2019-12-28-PlantUML画图脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.23.3" data-path="../../tool/2019-12-30-vscode高效使用.html">
            
                <a href="../../tool/2019-12-30-vscode高效使用.html">
            
                    
                    3.2019-12-30-vscode高效使用
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.24" >
            
                <span>
            
                    
                    [windows]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.24.1" data-path="../../windows/2020-01-12-本地服务成为互联网服务.html">
            
                <a href="../../windows/2020-01-12-本地服务成为互联网服务.html">
            
                    
                    1.2020-01-12-本地服务成为互联网服务
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.24.2" data-path="../../windows/2020-01-12-注册bat为windows服务.html">
            
                <a href="../../windows/2020-01-12-注册bat为windows服务.html">
            
                    
                    2.2020-01-12-注册bat为windows服务
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    

    <li class="divider"></li>

    <li>
        <a href="https://www.gitbook.com" target="blank" class="gitbook-link">
            Published with GitBook
        </a>
    </li>
</ul>


                </nav>
            
        
    </div>

    <div class="book-body">
        
            <div class="body-inner">
                
                    

<div class="book-header" role="navigation">
    

    <!-- Title -->
    <h1>
        <i class="fa fa-circle-o-notch fa-spin"></i>
        <a href="../.." >2.2019-12-30-dubbo消费者访问流程</a>
    </h1>
</div>




                    <div class="page-wrapper" tabindex="-1" role="main">
                        <div class="page-inner">
                            
<div id="book-search-results">
    <div class="search-noresults">
    
                                <section class="normal markdown-section">
                                
                                <p>dubbo&#x6D88;&#x8D39;&#x8005;&#x8BBF;&#x95EE;&#x6D41;&#x7A0B;
dubbo&#x6E90;&#x7801;&#x89E3;&#x8BFB;: <a href="https://segmentfault.com/a/1190000016842868" target="_blank">https://segmentfault.com/a/1190000016842868</a></p>
<h2 id="dubbo&#x6574;&#x4F53;&#x8BBE;&#x8BA1;&#x56FE;">dubbo&#x6574;&#x4F53;&#x8BBE;&#x8BA1;&#x56FE;</h2>
<p><img src="../../images/posts/dubbo_architecture.png" alt=""></p>
<h2 id="&#x6D88;&#x8D39;&#x8005;&#x7C7B;">&#x6D88;&#x8D39;&#x8005;&#x7C7B;</h2>
<pre><code class="lang-java"><span class="hljs-keyword">package</span> org.apache.dubbo.demo.consumer;

<span class="hljs-keyword">import</span> org.apache.dubbo.config.ApplicationConfig;
<span class="hljs-keyword">import</span> org.apache.dubbo.config.ReferenceConfig;
<span class="hljs-keyword">import</span> org.apache.dubbo.config.RegistryConfig;
<span class="hljs-keyword">import</span> org.apache.dubbo.demo.DemoService;
<span class="hljs-keyword">import</span> org.apache.dubbo.engine.filter.ZYFilter;
<span class="hljs-keyword">import</span> org.apache.dubbo.engine.loadbalance.FirstLoadBalance;
<span class="hljs-keyword">import</span> org.apache.dubbo.engine.protocol.ZYProtocol;

<span class="hljs-comment">/**
 * <span class="hljs-doctag">@author</span> zhuge
 */</span>
<span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">ApplicationConsumer</span> </span>{
    <span class="hljs-comment">/**
     * In order to make sure multicast registry works, need to specify &apos;-Djava.net.preferIPv4Stack=true&apos; before
     * launch the application
     */</span>
    <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">void</span> <span class="hljs-title">main</span><span class="hljs-params">(String[] args)</span> <span class="hljs-keyword">throws</span> InterruptedException </span>{
<span class="hljs-comment">//        log4j.rootLogger=error, stdout  &#x5C06;error&#x6539;&#x4E3A;info&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x66F4;&#x591A;&#x8C03;&#x8BD5;&#x4FE1;&#x606F;</span>
        ReferenceConfig&lt;DemoService&gt; reference = <span class="hljs-keyword">new</span> ReferenceConfig&lt;&gt;();
        ApplicationConfig applicationConfig = <span class="hljs-keyword">new</span> ApplicationConfig(<span class="hljs-string">&quot;dubbo-demo-api-consumer&quot;</span>);
        applicationConfig.setQosEnable(<span class="hljs-keyword">false</span>);
        reference.setApplication(applicationConfig);
<span class="hljs-comment">//        reference.setRegistry(new RegistryConfig(&quot;abc://172.20.59.116:2181&quot;));</span>
        reference.setRegistry(<span class="hljs-keyword">new</span> RegistryConfig(<span class="hljs-string">&quot;zookeeper://172.20.59.116:2181&quot;</span>));
        reference.setInterface(DemoService.class);


        <span class="hljs-comment">//&#x4F9D;&#x8D56;&#x4F7F;&#x7528;dubbo&#x5F15;&#x64CE;</span>
        reference.setLoadbalance(FirstLoadBalance.NAME);

        <span class="hljs-comment">//&#x6D88;&#x8D39;&#x8005;&#x548C;&#x63D0;&#x4F9B;&#x8981;&#x4F7F;&#x7528;&#x76F8;&#x540C;&#x7684;&#x534F;&#x8BAE;,&#x5426;&#x5219;&#x4E0D;&#x80FD;&#x6B63;&#x5E38;&#x901A;&#x4FE1;</span>
        reference.setProtocol(ZYProtocol.NAME);
        reference.setFilter(ZYFilter.NAME);

        DemoService service = reference.get();
        <span class="hljs-keyword">while</span> (<span class="hljs-keyword">true</span>) {
            System.out.println(<span class="hljs-string">&quot;111&quot;</span>);
            String message = service.sayHello(<span class="hljs-string">&quot;dubbo&quot;</span>);
            System.out.println(message);
            Thread.sleep(<span class="hljs-number">1000</span>);
        }
    }
}
</code></pre>
<h2 id="&#x52A8;&#x6001;&#x4EE3;&#x7406;&#x5BF9;&#x8C61;proxy0">&#x52A8;&#x6001;&#x4EE3;&#x7406;&#x5BF9;&#x8C61;proxy0</h2>
<p>&#x8FD0;&#x884C;&#x65F6;&#x624D;&#x6709;&#x7684;&#x7C7B;&#xFF1A;service &#x662F;&#x751F;&#x6210;&#x7684;&#x52A8;&#x6001;&#x4EE3;&#x7406;&#x5BF9;&#x8C61; proxy0</p>
<pre><code class="lang-java"><span class="hljs-keyword">package</span> org.apache.dubbo.demo;
<span class="hljs-comment">//ClassLoader:</span>
<span class="hljs-comment">//+-sun.misc.Launcher$AppClassLoader@18b4aac2</span>
<span class="hljs-comment">//  +-sun.misc.Launcher$ExtClassLoader@13deb50e</span>
<span class="hljs-comment">//</span>
<span class="hljs-comment">//Location:</span>
<span class="hljs-comment">///F:/JavaSoftware/mvnRepository/org/apache/dubbo/dubbo/2.7.3/dubbo-2.7.3.jar</span>

<span class="hljs-comment">/*
 * Decompiled with CFR.
 * 
 * Could not load the following classes:
 *  org.apache.dubbo.demo.DemoService
 */</span>
<span class="hljs-comment">//package org.apache.dubbo.common.bytecode;</span>
<span class="hljs-comment">/**
 * &#x901A;&#x8FC7;arthas &#x53CD;&#x7F16;&#x8BD1;&#x51FA;&#x6765;&#x7684;&#x4EE3;&#x7406;&#x7C7B; wrapper&#x7C7B;
 */</span>
<span class="hljs-keyword">import</span> com.alibaba.dubbo.rpc.service.EchoService;
<span class="hljs-keyword">import</span> java.lang.reflect.InvocationHandler;
<span class="hljs-keyword">import</span> java.lang.reflect.Method;
<span class="hljs-keyword">import</span> org.apache.dubbo.common.bytecode.ClassGenerator;

<span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">proxy0</span>
<span class="hljs-keyword">implements</span> <span class="hljs-title">ClassGenerator</span>.<span class="hljs-title">DC</span>,  // &#x52A8;&#x6001;&#x7C7B;&#x5224;&#x65AD;&#x6807;&#x8BC6;
<span class="hljs-title">EchoService</span>,
<span class="hljs-title">DemoService</span> </span>{
    <span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> Method[] methods;
    <span class="hljs-keyword">private</span> InvocationHandler handler;

    <span class="hljs-meta">@Override</span>
    <span class="hljs-function"><span class="hljs-keyword">public</span> String <span class="hljs-title">sayHello</span><span class="hljs-params">(String string)</span> </span>{
        Object[] arrobject = <span class="hljs-keyword">new</span> Object[]{string};
        Object object = <span class="hljs-keyword">null</span>;
        <span class="hljs-keyword">try</span> {
            object = <span class="hljs-keyword">this</span>.handler.invoke(<span class="hljs-keyword">this</span>, methods[<span class="hljs-number">0</span>], arrobject);
        } <span class="hljs-keyword">catch</span> (Throwable throwable) {
            throwable.printStackTrace();
        }
        <span class="hljs-keyword">return</span> (String)object;
    }

    <span class="hljs-meta">@Override</span>
    <span class="hljs-keyword">public</span> Object $echo(Object object) {
        Object[] arrobject = <span class="hljs-keyword">new</span> Object[]{object};
        Object object2 = <span class="hljs-keyword">null</span>;
        <span class="hljs-keyword">try</span> {
            object2 = <span class="hljs-keyword">this</span>.handler.invoke(<span class="hljs-keyword">this</span>, methods[<span class="hljs-number">1</span>], arrobject);
        } <span class="hljs-keyword">catch</span> (Throwable throwable) {
            throwable.printStackTrace();
        }
        <span class="hljs-keyword">return</span> object2;
    }

    <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-title">proxy0</span><span class="hljs-params">()</span> </span>{
    }

    <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-title">proxy0</span><span class="hljs-params">(InvocationHandler invocationHandler)</span> </span>{
        <span class="hljs-keyword">this</span>.handler = invocationHandler;
    }
}

<span class="hljs-comment">//Affect(row-cnt:1) cost in 125 ms.</span>
</code></pre>
<ol>
<li>service.sayHello(&quot;dubbo&quot;)</li>
</ol>
<p>&#x8C03;&#x7528;&#x7684;&#x5C31;&#x662F;&#x52A8;&#x6001;&#x4EE3;&#x7406;&#x5BF9;&#x8C61;proxy0.sayHello(&quot;dubbo&quot;)</p>
<ol>
<li>&#x8FDB;&#x4E00;&#x6B65;&#x8C03;&#x7528; InvokerInvocationHandler</li>
</ol>
<p>InvokerInvocationHandler  invoke</p>
<pre><code class="lang-java"><span class="hljs-comment">/**
 * InvokerHandler
 */</span>
<span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">InvokerInvocationHandler</span> <span class="hljs-keyword">implements</span> <span class="hljs-title">InvocationHandler</span> </span>{
    <span class="hljs-keyword">private</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">final</span> Logger logger = LoggerFactory.getLogger(InvokerInvocationHandler.class);
    <span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> Invoker&lt;?&gt; invoker;

    <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-title">InvokerInvocationHandler</span><span class="hljs-params">(Invoker&lt;?&gt; handler)</span> </span>{
        <span class="hljs-keyword">this</span>.invoker = handler;
    }

    <span class="hljs-meta">@Override</span>
    <span class="hljs-function"><span class="hljs-keyword">public</span> Object <span class="hljs-title">invoke</span><span class="hljs-params">(Object proxy, Method method, Object[] args)</span> <span class="hljs-keyword">throws</span> Throwable </span>{
        String methodName = method.getName();
        Class&lt;?&gt;[] parameterTypes = method.getParameterTypes();
        <span class="hljs-keyword">if</span> (method.getDeclaringClass() == Object.class) {
            <span class="hljs-keyword">return</span> method.invoke(invoker, args);
        }
        <span class="hljs-keyword">if</span> (<span class="hljs-string">&quot;toString&quot;</span>.equals(methodName) &amp;&amp; parameterTypes.length == <span class="hljs-number">0</span>) {
            <span class="hljs-keyword">return</span> invoker.toString();
        }
        <span class="hljs-keyword">if</span> (<span class="hljs-string">&quot;hashCode&quot;</span>.equals(methodName) &amp;&amp; parameterTypes.length == <span class="hljs-number">0</span>) {
            <span class="hljs-keyword">return</span> invoker.hashCode();
        }
        <span class="hljs-keyword">if</span> (<span class="hljs-string">&quot;equals&quot;</span>.equals(methodName) &amp;&amp; parameterTypes.length == <span class="hljs-number">1</span>) {
            <span class="hljs-keyword">return</span> invoker.equals(args[<span class="hljs-number">0</span>]);
        }
        <span class="hljs-comment">//&#x5148;&#x5224;&#x65AD;&#x662F;&#x4E0D;&#x662F;Object&#x4E2D;&#x7684;&#x4E00;&#x4E9B;&#x65B9;&#x6CD5;&#xFF0C;&#x7136;&#x540E;&#x5728;&#x8C03;&#x7528;invoker&#x5BF9;&#x8C61;&#x7684;invoke&#x65B9;&#x6CD5;</span>
        <span class="hljs-keyword">return</span> invoker.invoke(<span class="hljs-keyword">new</span> RpcInvocation(method, args)).recreate();
    }
}
</code></pre>
<ol>
<li>&#x6700;&#x5916;&#x5C42;invoker&#x662F; MockClusterInvoker</li>
</ol>
<p>&#x5728;&#x8D44;&#x6E90;&#x6587;&#x4EF6;&#x4E2D; META-INF\dubbo\internal\org.apache.dubbo.rpc.cluster.Cluster &#x914D;&#x7F6E;&#x4E86;
mock=org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterWrapper
mock&#x662F;&#x56DB;&#x4E2A;&#x9ED8;&#x8BA4;&#x503C;&#x4E2D;&#x7684;&#x4E00;&#x4E2A;</p>
<p>&#x7528;&#x4E8E;&#x670D;&#x52A1;&#x964D;&#x7EA7;, &#x5185;&#x90E8;&#x4E4B;&#x95F4;&#x5C01;&#x88C5;&#x96C6;&#x7FA4;invoker,&#x8C03;&#x7528;invoke
&#x5F53;url&#x4E2D;&#x914D;&#x7F6E;&#x4E86;&#x53C2;&#x6570; mock=forceXX  &#x4EE3;&#x7801;&#x7684;&#x5224;&#x65AD;&#x662F;  if (value.startsWith(&quot;force&quot;)) &#x5219;&#x8D70;&#x670D;&#x52A1;&#x964D;&#x7EA7;</p>
<ol>
<li>&#x9ED8;&#x8BA4;&#x5931;&#x8D25;&#x91CD;&#x8BD5;&#x96C6;&#x7FA4;&#x7B56;&#x7565; FailoverClusterInvoker</li>
</ol>
<p>&#x8FD9;&#x91CC;&#x5C31;&#x662F;&#x5C06;&#x96C6;&#x7FA4;&#x4F2A;&#x88C5;&#x4E3A;&#x4E00;&#x4E2A;invoker
&#x8FD9;&#x91CC;&#x4F1A;&#x901A;&#x8FC7;&#x8DEF;&#x7531;&#x5217;&#x51FA;&#x5408;&#x9002;&#x7684;&#x63D0;&#x4F9B;&#x8005;&#x5217;&#x8868;,&#x518D;&#x6839;&#x636E;&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x673A;&#x5236;&#x9009;&#x62E9;&#x5408;&#x9002;&#x63D0;&#x4F9B;&#x8005;invoker&#x8FDB;&#x884C;&#x8C03;&#x7528;</p>
<p>&#x5173;&#x952E;&#x4EE3;&#x7801;</p>
<pre><code class="lang-java">FailoverClusterInvoker extends AbstractClusterInvoker { invoke-&gt;doInvoke } &#x6A21;&#x677F;&#x6A21;&#x5F0F;

AbstractClusterInvoker invoke(){  

        List&lt;Invoker&lt;T&gt;&gt; invokers = list(invocation); -&gt; directory.list(invocation) &#x6839;&#x636E;&#x76EE;&#x5F55;&#x670D;&#x52A1;&#x5217;&#x51FA;&#x53EF;&#x7528;&#x7684;invokers
        LoadBalance loadbalance = initLoadBalance(invokers, invocation);  &#x83B7;&#x53D6;&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x5668;
        doInvoke(invocation, invokers, loadbalance);   &#x6A21;&#x677F;&#x65B9;&#x6CD5;&#xFF0C;&#x7531;&#x5B50;&#x7C7B;&#x5B9E;&#x73B0;

 }

 FailoverClusterInvoker doInvoke(){
     Invoker&lt;T&gt; invoker = select(loadbalance, invocation, copyInvokers, invoked); #&#x9009;&#x62E9;&#x5408;&#x9002;&#x7684;Invoker
     Result result = invoker.invoke(invocation);  # &#x53D1;&#x8D77;&#x8FDC;&#x7A0B;&#x8C03;&#x7528;
 }
</code></pre>
<ol>
<li>InvokerDelegate</li>
</ol>
<p>&#x5305;&#x542B;&#x63D0;&#x4F9B;&#x8005;url
&#x9009;&#x62E9;&#x7684;Invoker&#x662F;&#x7C7B;&#x578B; org.apache.dubbo.registry.integration.RegistryDirectory.InvokerDelegate extends InvokerWrapper<t>  &#x5185;&#x90E8;&#x7C7B;</t></p>
<ol>
<li>ListenerInvokerWrapper</li>
</ol>
<p>&#x7EE7;&#x7EED;&#x8C03;&#x7528; ListenerInvokerWrapper<t> implements Invoker<t> &#x7684;invoke()</t></t></p>
<ol>
<li><p>CallbackRegistrationInvoker
&#x5305;&#x542B;&#x8FC7;&#x6EE4;&#x5668;,&#x8FC7;&#x6EE4;&#x5668;&#x4E2D;&#x6709; monitor
org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.CallbackRegistrationInvoker implements Invoker<t></t></p>
<pre><code> private final Invoker&lt;T&gt; filterInvoker;
 private final List&lt;Filter&gt; filters; 
</code></pre></li>
<li><p>AsyncToSyncInvoker</p>
</li>
</ol>
<p>&#x5F02;&#x6B65;&#x8F6C;&#x540C;&#x6B65;
AsyncToSyncInvoker<t> implements Invoker<t> invoke()</t></t></p>
<ol>
<li>DubboInvoker</li>
</ol>
<p>&#x5F02;&#x6B65;&#x8FDC;&#x7A0B;&#x8C03;&#x7528;&#x5F00;&#x59CB;
org.apache.dubbo.rpc.protocol.dubbo.DubboInvoker#doInvoke extends org.apache.dubbo.rpc.protocol.AbstractInvoker#invoke</p>
<ol>
<li>ReferenceCountExchangeClient</li>
</ol>
<p>&#x534F;&#x8BAE;&#x652F;&#x6491;&#x7C7B;
&#x6700;&#x7EC8;&#x8D70;&#x51FA;invoke&#x94FE;,&#x5728;DubboInvoker&#x4E2D;&#x5C01;&#x88C5;&#x4E86; ExchangeClient &#x5BF9;&#x8C61;
org.apache.dubbo.remoting.exchange.ExchangeClient
org.apache.dubbo.rpc.protocol.dubbo.ReferenceCountExchangeClient#request(java.lang.Object, int)</p>
<ol>
<li>HeaderExchangeClient</li>
</ol>
<p>&#x9ED8;&#x8BA4;&#x6D88;&#x606F;&#x901A;&#x4FE1;&#x5BA2;&#x6237;&#x7AEF;
&#x8C03;&#x7528;
org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeClient#request(java.lang.Object, int)</p>
<ol>
<li>HeaderExchangeChannel</li>
</ol>
<p>ExchangeReceiver &#x4EA4;&#x4E92;&#x63A5;&#x6536;&#x8005;
&#x8C03;&#x7528;
org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeChannel#request(java.lang.Object, int)</p>
<ol>
<li>NettyChannel</li>
</ol>
<p>&#x5230;&#x4E86;&#x5F00;&#x59CB;&#x8C03;&#x7528;NettyClient
org.apache.dubbo.remoting.transport.AbstractPeer#send &#x4E00;&#x4E2A;&#x53C2;&#x6570;
org.apache.dubbo.remoting.transport.AbstractClient#send &#x4E24;&#x4E2A;&#x53C2;&#x6570;
org.apache.dubbo.remoting.transport.netty4.NettyChannel#send &#x4E24;&#x4E2A;&#x53C2;&#x6570;</p>
<ol>
<li>&#x53D1;&#x8D77;&#x7F51;&#x7EDC;&#x8C03;&#x7528;</li>
</ol>
<pre><code class="lang-java">&#x6700;&#x7EC8;&#x8FD4;&#x56DE;future&#x5BF9;&#x8C61; &#x5230; DubboInvoker&#x4E2D; asyncRpcResult
CompletableFuture&lt;Object&gt; responseFuture = currentClient.request(inv, timeout);
asyncRpcResult.subscribeTo(responseFuture);
<span class="hljs-comment">// save for 2.6.x compatibility, for example, TraceFilter in Zipkin uses com.alibaba.xxx.FutureAdapter</span>
FutureContext.getContext().setCompatibleFuture(responseFuture);
<span class="hljs-keyword">return</span> asyncRpcResult;
</code></pre>

                                
                                </section>
                            
    </div>
    <div class="search-results">
        <div class="has-results">
            
            <h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
            <ul class="search-results-list"></ul>
            
        </div>
        <div class="no-results">
            
            <h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
            
        </div>
    </div>
</div>

                        </div>
                    </div>
                
            </div>

            
                
                <a href="2019-12-28-dubbo涉及的技术.html" class="navigation navigation-prev " aria-label="Previous page: 1.2019-12-28-dubbo涉及的技术">
                    <i class="fa fa-angle-left"></i>
                </a>
                
                
                <a href="2019-12-30-dubbo面试.html" class="navigation navigation-next " aria-label="Next page: 3.2019-12-30-dubbo面试">
                    <i class="fa fa-angle-right"></i>
                </a>
                
            
        
    </div>

    <script>
        var gitbook = gitbook || [];
        gitbook.push(function() {
            gitbook.page.hasChanged({"page":{"layout":"post","title":"2.2019-12-30-dubbo消费者访问流程","categories":["dubbo","消费者","流程"],"description":"dubbo消费者访问流程","keywords":"dubbo,消费者,流程","level":"2.8.2","depth":2,"next":{"title":"3.2019-12-30-dubbo面试","level":"2.8.3","depth":2,"path":"java/dubbo/2019-12-30-dubbo面试.md","ref":"java/dubbo/2019-12-30-dubbo面试.md","articles":[]},"previous":{"title":"1.2019-12-28-dubbo涉及的技术","level":"2.8.1","depth":2,"path":"java/dubbo/2019-12-28-dubbo涉及的技术.md","ref":"java/dubbo/2019-12-28-dubbo涉及的技术.md","articles":[]},"dir":"ltr"},"config":{"gitbook":"*","theme":"default","variables":{},"plugins":[],"pluginsConfig":{"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"}},"file":{"path":"java/dubbo/2019-12-30-dubbo消费者访问流程.md","mtime":"2020-01-07T14:06:47.366Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2020-08-27T08:51:05.639Z"},"basePath":"../..","book":{"language":""}});
        });
    </script>
</div>

        
    <script src="../../gitbook/gitbook.js"></script>
    <script src="../../gitbook/theme.js"></script>
    
        
        <script src="../../gitbook/gitbook-plugin-search/search-engine.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-search/search.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-lunr/lunr.min.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-lunr/search-lunr.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-sharing/buttons.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
        
    

    </body>
</html>

